Sentence examples for one problem is that from inspiring English sources

One problem is that Lansley speaks largely in jargon.

One problem is that stress can be subjective.

One problem is that golf is expensive: the median fee for 18 holes is $40.

One problem is that labour is extremely expensive in this Arctic wilderness.

One problem is that QE mainly works via lower bond yields.

One problem is that Harriet is more a conceit than a character.

One problem is that inflation has risen steadily in recent months, to 3.9%.

One problem is that Symmetrix is getting long in the tooth.

One problem is that tcatch-up does not occur if there is overdiagnosis.

One problem is that plasmids carrying exogenous genes (arsM genes) are often lost during practical application.

One problem is that reads from two genomic strands are not complementary at methylated loci.